.node {
  position: relative;
  text-align: center;
  color: #fff;
  cursor: move;
  padding: 0;
  margin: 0;
  background-color: #333;
  height: 60px;
  width: 60px;
  float:left;
  -moz-border-radius:50px;
  -webkit-border-radius: 50px;
  border-radius:50px;
}
.node > span{
  display: block;
  height: 30px;
  width: 60px;
  margin-top: 20px;
  text-align: center;
}

#graphPool_outer {
  width: 600px;
  padding: 30px;
  border: 4px solid #CCC;
  margin:auto;
  height: 350px;
  background-image: url("../images/bg.jpg");
}
#graphPool {
  width: 100%;
  height: 100%;
}